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authorDenys Vlasenko <vda.linux@googlemail.com>2010-06-18 02:00:55 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2010-06-18 02:00:55 +0200
commitd86b4c3907a78ab8785bcd6342ca233d0fe23ed0 (patch)
tree82c99ea6266a0587236e7b17f39dc541ebbe1936 /archival
parent0cc25945d8e6821d967bb97266774f9ee6c07197 (diff)
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data_extract_all: do not chmod symlink. Closes 2053
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival')
-rw-r--r--archival/libunarchive/data_extract_all.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c
index 815261036..c4ffe7ef8 100644
--- a/archival/libunarchive/data_extract_all.c
+++ b/archival/libunarchive/data_extract_all.c
@@ -152,35 +152,32 @@ void FAST_FUNC data_extract_all(archive_handle_t *archive_handle)
152 bb_error_msg_and_die("unrecognized file type"); 152 bb_error_msg_and_die("unrecognized file type");
153 } 153 }
154 154
155 if (!(archive_handle->ah_flags & ARCHIVE_DONT_RESTORE_OWNER)) { 155 if (!S_ISLNK(file_header->mode)) {
156#if ENABLE_FEATURE_TAR_UNAME_GNAME 156 if (!(archive_handle->ah_flags & ARCHIVE_DONT_RESTORE_OWNER)) {
157 if (!(archive_handle->ah_flags & ARCHIVE_NUMERIC_OWNER)) {
158 uid_t uid = file_header->uid; 157 uid_t uid = file_header->uid;
159 gid_t gid = file_header->gid; 158 gid_t gid = file_header->gid;
160 159#if ENABLE_FEATURE_TAR_UNAME_GNAME
161 if (file_header->tar__uname) { 160 if (!(archive_handle->ah_flags & ARCHIVE_NUMERIC_OWNER)) {
161 if (file_header->tar__uname) {
162//TODO: cache last name/id pair? 162//TODO: cache last name/id pair?
163 struct passwd *pwd = getpwnam(file_header->tar__uname); 163 struct passwd *pwd = getpwnam(file_header->tar__uname);
164 if (pwd) uid = pwd->pw_uid; 164 if (pwd) uid = pwd->pw_uid;
165 } 165 }
166 if (file_header->tar__gname) { 166 if (file_header->tar__gname) {
167 struct group *grp = getgrnam(file_header->tar__gname); 167 struct group *grp = getgrnam(file_header->tar__gname);
168 if (grp) gid = grp->gr_gid; 168 if (grp) gid = grp->gr_gid;
169 }
169 } 170 }
171#endif
170 /* GNU tar 1.15.1 uses chown, not lchown */ 172 /* GNU tar 1.15.1 uses chown, not lchown */
171 chown(file_header->name, uid, gid); 173 chown(file_header->name, uid, gid);
172 } else 174 }
173#endif
174 chown(file_header->name, file_header->uid, file_header->gid);
175 }
176 if (!S_ISLNK(file_header->mode)) {
177 /* uclibc has no lchmod, glibc is even stranger - 175 /* uclibc has no lchmod, glibc is even stranger -
178 * it has lchmod which seems to do nothing! 176 * it has lchmod which seems to do nothing!
179 * so we use chmod... */ 177 * so we use chmod... */
180 if (!(archive_handle->ah_flags & ARCHIVE_DONT_RESTORE_PERM)) { 178 if (!(archive_handle->ah_flags & ARCHIVE_DONT_RESTORE_PERM)) {
181 chmod(file_header->name, file_header->mode); 179 chmod(file_header->name, file_header->mode);
182 } 180 }
183 /* same for utime */
184 if (archive_handle->ah_flags & ARCHIVE_RESTORE_DATE) { 181 if (archive_handle->ah_flags & ARCHIVE_RESTORE_DATE) {
185 struct timeval t[2]; 182 struct timeval t[2];
186 183